local common = require("common.util")  
local read_redis = common.read_redis
local read_http = common.read_http
local ngx_log = ngx.log
local ngx_ERR = ngx.ERR
local ngx_exit = ngx.exit  
descInfoStr = read_http("/redis",nil)
if not descInfoStr then  
   ngx_log(ngx_ERR, "http not found")  
   return ngx_exit(404)  
end  

ngx.say(descInfoStr)  
